Ne problem has arisen.... When i call a kernel function the module crash... Do u know an easy way for tracing the execution? __________________________________ Do you Yahoo!? The all-new My Yahoo! - What will yours do? http://my.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/